---
name: "sunxi-pio"
section: "1"
platform: "linux"
package: "sunxi-tools"
version: "1.4.2+git20240825.4390ca-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/sunxi-pio"
---

# sunxi-pio(1)

manipulate PIO (GPIO and pinmux) on sunxi devices

## NAME

sunxi-pio - manipulate PIO (GPIO and pinmux) on sunxi devices

## SYNOPSIS

**sunxi-pio** -m\|-i *input* \[ -o *output* \] *pin*

## DESCRIPTION

**sunxi-pio** manipulates PIO (GPIO and pinmux) on sunxi devices

## OPTIONS

- **-m**

  mmap - read pin state from system

- **-i**

  read pin state from file

- **-o**

  save pin state data to file

**print**

Show all pins

**Pxx**

Show pin

**Pxx\<mode\>\<pull\>\<drive\>\<data\>**

Configure pin

**Pxx=data,drive**

Configure GPIO output

**Pxx\*count**

Oscillate GPIO output (mmap mode only)

**Pxx?pull**

Configure GPIO input

**clean**

Clean input pins

## SEE ALSO

⟨https://linux-sunxi.org/Sunxi-tools#sunxi-pio⟩

## AUTHOR

Ian Campbell \<ijc@debian.org\>